Home / 28,637.70-39,522.17-15,893.28

Finding the Fourth Proportional to 28,637.70, 39,522.17 and 15,893.28

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Solution

The fourth proportional to 28,637.70, 39,522.17 and 15,893.28 is: 21,933.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,637.70 : 39,522.17 = 15,893.28 : x
  2. Step 2: Convert to fraction form
    28,637.70/39,522.17 = 15,893.28/x
  3. Step 3: Cross multiply
    28,637.70x = 39,522.17 × 15,893.28
  4. Step 4: Simplify right side
    28,637.70x = 628,136,953.75
  5. Step 5: Solve for x
    x = 628,136,953.75/28,637.70
  6. Step 6: Final answer
    x = 21,933.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.